<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <title>图像基本练习</title>
    <style type="text/css"></style>
  </head>
  <style>
    body {
      background-color: pink;
    }
    img{
      display: block;
      margin-bottom: 20px;
    }
    img.border {
      /* border: 5px dotted blue; */
      border-color: blue;
      border-style: dotted;
      border-width: 5px;
    }
  </style>
  <body>
    <img src="images/qq.jpg" title="QQ" alt="QQ" />
    <img src="images/qq.jpg" title="QQ" alt="QQ" class="border" />
  </body>
</html>
